AN1-type zinc finger protein 1 - Q8TCF1 (ZFAN1_HUMAN)

 

Protein Feature View of PDB entries mapped to a UniProtKB sequence  

 
Function
Plays a role in the regulation of cytoplasmic stress granules (SGs) turnover. SGs are dynamic and transient cytoplasmic ribonucleoprotein assemblies important for cellular protein homeostasis when protein production is suspended after acute exogenous stress (PubMed:29804830). Associates with SGs and is involved in the efficient and specific arsenite-induced clearance process of SGs through the recruitment of the ubiquitin-selective ATPase VCP and the 26S proteasome (PubMed:29804830). This process requires both complexes for efficient degradation of damaged ubiquitinated SG proteins during recovery from arsenite stress, and hence avoiding aberrant cytoplasmic SGs degradation via autophagy (PubMed:29804830). UniProt
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Subunit Structure
Associates with the 26S proteasome; this association occurs upon exposure to arsenite and is reduced in the presence of ATP (PubMed:29804830). Interacts (via AN1-type 1 and 2 zinc fingers) with PSMD1; this interaction is increased upon arsenite treatment and occurs in an ATP-independent manner (PubMed:29804830). Interacts with PSMC4 (PubMed:29804830). Interacts with PSMA1 (PubMed:29804830). Interacts (via its ubiquitin-like region) with VCP; this interaction occurs in an arsenite-dependent manner and is necessary for the recruitment of the ubiquitin-selective ATPase VCP to stress granules (SGs) (PubMed:29804830). UniProt
Domain
The ubiquitin-like region is necessary for its localization to stress granules (SGs) in a VCP-independent manner (PubMed:29804830). The AN1-type 1 and 2 zinc finger domains are necessary for the recruitment of the 26S proteasome to SGs (PubMed:29804830). Both the AN1-type 1 and 2 zinc finger domains and the ubiquitin-like region are necessary for efficient SGs clearance upon specific arsenite-induced responses (PubMed:29804830). UniProt
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Data in green originates from UniProtKB  
Variation data (sourced from UniProt) shows non-genetic variation from the ExPASy   and dbSNP   websites.
Data in yellow originates from Pfam  , by interacting with the HMMER3 web site  
Data in purple originates from Phosphosite  .
Data in orange originates from the SCOP   (version 1.75) and SCOPe   (version 2.04) classifications.
Data in grey has been calculated using BioJava  . Protein disorder predictions are based on JRONN (Troshin, P. and Barton, G. J. unpublished), a Java implementation of RONN  
  • Red: potentially disorderd region
  • Blue: probably ordered region.
Hydropathy has been calculated using a sliding window of 15 residues and summing up scores from standard hydrophobicity tables.
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  • Blue: hydrophilic.
Data in lilac represent the genomic exon structure projected onto the UniProt sequence.
Data in blue originates from PDB
  • Secstruc: Secondary structure projected from representative PDB entries onto the UniProt sequence.
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Data in red indicates combined ranges of Homology Models from the SWISS-MODEL Repository  
The PDB to UniProt mapping is based on the data provided by the EBI SIFTS project. See also Velankar et al., Nucleic Acids Research 33, D262-265 (2005).
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